Home / 215,635.15-323,500.32-65,887.14

Finding the Fourth Proportional to 215,635.15, 323,500.32 and 65,887.14

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Solution

The fourth proportional to 215,635.15, 323,500.32 and 65,887.14 is: 98,845.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    215,635.15 : 323,500.32 = 65,887.14 : x
  2. Step 2: Convert to fraction form
    215,635.15/323,500.32 = 65,887.14/x
  3. Step 3: Cross multiply
    215,635.15x = 323,500.32 × 65,887.14
  4. Step 4: Simplify right side
    215,635.15x = 21,314,510,873.88
  5. Step 5: Solve for x
    x = 21,314,510,873.88/215,635.15
  6. Step 6: Final answer
    x = 98,845.25

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.